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client.exe

Microsoft Windows Operating System

Knowhow Information & Communication Inc

This is a setup program which is used to install the application. The file has been seen being downloaded from inkink.kr and multiple other hosts.
Publisher:
Microsoft Corporation  (signed by Knowhow Information & Communication Inc)

Product:
Microsoft(R) Windows(R) Operating System

Description:
Win32 Cabinet Self-Extractor

Version:
6.00.2900.2180 (xpsp_sp2_rtm.040803-2158)

MD5:
1d2599cd57f91ab44bb79a636c65c39a

SHA-1:
ae70f4d5eadf862a972a0ccf8f0214c6ee1da0f4

SHA-256:
2e7eb611bba602e854e2b49e6d79d392f01080e617b615672db6ed657ccc04ae

Scanner detections:
2 / 68

Status:
Clean  (2 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
1/2/2025 4:02:57 PM UTC  (today)

Scan engine
Detection
Engine version

F-Prot
W32/Downloader.J.gen
v6.4.7.1.166

Trend Micro House Call
Suspicious_GEN.F47V0217
7.2.291

File size:
1.1 MB (1,188,944 bytes)

Product version:
6.00.2900.2180

Copyright:
(C)Microsoft Corporation. All rights reserved.

Original file name:
WEXTRACT.EXE

File type:
Executable application (Win32 EXE)

Language:
Korean (Korea)

Common path:
C:\users\{user}\downloads\client.exe

Digital Signature
Signed by:
Knowhow Information & Communication Inc

Authority:
VeriSign, Inc.

Valid from:
5/16/2014 8:00:00 PM

Valid to:
7/16/2015 7:59:59 PM

Subject:
CN=Knowhow Information & Communication Inc, O=Knowhow Information & Communication Inc, L=Yongsan-gu, S=Seoul, C=KR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
12D90226158EE272CE4828B04CFDC6CB

File PE Metadata
Compilation timestamp:
8/4/2004 2:01:37 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
24576:Sn+MHlQcINiZSbv+xvBqa/MPy9anmxsN9cqqb4xPdr63K/N6DRQ:iRFQtNiZQ+xJAy9qmxAaxalu3K/Nv

Entry address:
0x645C

Entry point:
E8, 0A, 00, 00, 00, E9, 7A, FF, FF, FF, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 83, EC, 10, A1, D0, B2, 00, 01, 85, C0, 74, 07, 3D, 40, BB, 00, 00, 75, 4D, 56, 8D, 45, F8, 50, FF, 15, 70, 11, 00, 01, 8B, 75, FC, 33, 75, F8, FF, 15, 6C, 11, 00, 01, 33, F0, FF, 15, 68, 11, 00, 01, 33, F0, FF, 15, 64, 11, 00, 01, 33, F0, 8D, 45, F0, 50, FF, 15, 60, 11, 00, 01, 8B, 45, F4, 33, 45, F0, 33, C6, 25, FF, FF, 00, 00, 5E, 75, 05, B8, 40, BB, 00, 00, A3, D0, B2, 00, 01, F7, D0, A3, CC, B2, 00, 01, C9, C3, CC, CC, CC...
 
[+]

Entropy:
7.9791

Developed / compiled with:
Microsoft CAB SFX

Code size:
38.5 KB (39,424 bytes)

The file client.exe has been seen being distributed by the following 2 URLs.

http://inkink.kr/data/file/.../remote_AS.exe

http://www.seetrol.com/.../client.exe

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